Russell Wayne Harvard is an American actor. He made his feature film debut in Paul Thomas Anderson's There Will Be Blood (2007), playing opposite Daniel Day-Lewis as his adopted son, H.W. Plainview. In the 2010 biopic The Hammer, he portrayed deaf NCAA championship wrestler and UFC mixed martial arts fighter Matt Hamill. Harvard also won acclaim Off Broadway in 2012 as Billy, the deaf son in an intellectual, though dysfunctional, hearing British family, in Tribes by Nina Raine. For his interpretation, he won a 2012 Theatre World Award for Outstanding Debut Performance and nominations for Drama League, Outer Critics Circle and Lucille Lortel Awards for Outstanding Lead Actor. He played Mr. Wrench in the first and third seasons of the television series Fargo.

Tribes is a play by English playwright Nina Raine that had its world premiere in 2010 at London's Royal Court Theatre and its North American premiere Off-Broadway at the Barrow Street Theatre in 2012. The play won the 2012 Drama Desk Award for Outstanding Play.